Properties

Label 2.243.acc_bul
Base field $\F_{3^{5}}$
Dimension $2$
$p$-rank $2$
Ordinary yes
Supersingular no
Simple yes
Geometrically simple yes
Primitive yes
Principally polarizable yes
Contains a Jacobian yes

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Invariants

Base field:  $\F_{3^{5}}$
Dimension:  $2$
L-polynomial:  $1 - 54 x + 1207 x^{2} - 13122 x^{3} + 59049 x^{4}$
Frobenius angles:  $\pm0.0939614996266$, $\pm0.217596874376$
Angle rank:  $2$ (numerical)
Number field:  4.0.2041408.2
Galois group:  $D_{4}$

This isogeny class is simple and geometrically simple, primitive, ordinary, and not supersingular. It is principally polarizable and contains a Jacobian.

Newton polygon

This isogeny class is ordinary.

$p$-rank:  $2$
Slopes:  $[0, 0, 1, 1]$

Point counts

Point counts of the abelian variety

$r$ $1$ $2$ $3$ $4$ $5$
$A(\F_{q^r})$ $47081$ $3457299073$ $205872547834352$ $12157887004468351929$ $717899340580990565347001$

Point counts of the curve

$r$ $1$ $2$ $3$ $4$ $5$ $6$ $7$ $8$ $9$ $10$
$C(\F_{q^r})$ $190$ $58548$ $14347612$ $3486847940$ $847290206170$ $205891154263974$ $50031545279168062$ $12157665459228029060$ $2954312706539230705252$ $717897987692074601843988$

Jacobians and polarizations

This isogeny class contains a Jacobian, and hence is principally polarizable.

Decomposition and endomorphism algebra

All geometric endomorphisms are defined over $\F_{3^{5}}$.

Endomorphism algebra over $\F_{3^{5}}$
The endomorphism algebra of this simple isogeny class is 4.0.2041408.2.

Base change

This is a primitive isogeny class.

Twists

Below is a list of all twists of this isogeny class.

TwistExtension degreeCommon base change
2.243.cc_bul$2$(not in LMFDB)